The patch titled
Subject: kernel: pid_namespace: use NULL instead of using plain integer as pointer
has been added to the -mm tree. Its filename is
kernel-pid_namespace-use-null-instead-of-using-plain-integer-as-pointer.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/kernel-pid_namespace-use-null-instead-of-using-plain-integer-as-pointer.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/kernel-pid_namespace-use-null-instead-of-using-plain-integer-as-pointer.patch
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------------------------------------------------------
From: Haowen Bai <baihaowen@xxxxxxxxx>
Subject: kernel: pid_namespace: use NULL instead of using plain integer as pointer
This fixes the following sparse warnings:
kernel/pid_namespace.c:55:77: warning: Using plain integer as NULL pointer
Link: https://lkml.kernel.org/r/1647944288-2806-1-git-send-email-baihaowen@xxxxxxxxx
Signed-off-by: Haowen Bai <baihaowen@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/pid_namespace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/pid_namespace.c~kernel-pid_namespace-use-null-instead-of-using-plain-integer-as-pointer
+++ a/kernel/pid_namespace.c
@@ -52,7 +52,7 @@ static struct kmem_cache *create_pid_cac
/* Name collision forces to do allocation under mutex. */
if (!*pkc)
*pkc = kmem_cache_create(name, len, 0,
- SLAB_HWCACHE_ALIGN | SLAB_ACCOUNT, 0);
+ SLAB_HWCACHE_ALIGN | SLAB_ACCOUNT, NULL);
mutex_unlock(&pid_caches_mutex);
/* current can fail, but someone else can succeed. */
return READ_ONCE(*pkc);
_
Patches currently in -mm which might be from baihaowen@xxxxxxxxx are
kernel-pid_namespace-use-null-instead-of-using-plain-integer-as-pointer.patch
